jackson street in the eastbound direction is closed. westbound traffic still open as first responders and police keep things closed off. we've seen firefighters out here. they're trying to control the flow of water. trying to access the water valves. so far we have not seen the flow of water lessening any any way. we did just get here on scene. we are still gathering information. we have yet to talk to firefighter os police officers. i will try to get more information from them. get a sense of how this unfolded and how this began. for now we are live in hayward this morning alex savidge ktvu channel 2 news. >>> and crews worked through the night to fix another water main break. this one in concord it happened just before 6:00 last night. officials say no one last water due to this break. no homes or businesses were damaged. >>> happening now much of the bay area is filling the chill as temperatures fall below freezing. tara moriarty is live in walnut creek. one of the several cities expecting freezing temperatures this morning. good mor